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Pre-Algebra

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The length of a rectangular jewelry box is 5 inches more than twice the width. The perimeter is 28 inches. Find the length and the width.

  • Pre-Algebra -

    P = 2L + 2W

    28 = 2(5 + 2W) + 2W
    28 = 10 + 4W + 2W
    28 = 10 + 6W
    18 = 6W
    3 = W

  • Pre-Algebra -

    l =32

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